.main-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: auto;
    gap: 20px; 
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;

    justify-content: center;
    align-content: start;
    justify-items: center;
    align-items: start;
}